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vfhbyf1
@vfhbyf1
July 2022
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Помогите решить показательное уравнение
4^(x+1.5)-6^(x+1)+3^(2x)=0
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Mydrый
4^(x+1.5)-6^(x+1)+3^(2x)=0
2^(2x+3)-6*2^x3^x+3^2x=0
8*2^(2x)-6*2^x3^x+3^(2x)=0
8(2/3)^(2x)-6(2/3)^x+1=0
2/3^x=t
8t^2-6t+1=0
D=36-32=4
t12=(6+-2)/16=1/2 1/4
2/3^x=1/2
x=log 2/3 1/2
2/3^x=1/4
x=log2/3 1/4
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mmb1
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Решениееееееееееееееееееееееее
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Answers & Comments
2^(2x+3)-6*2^x3^x+3^2x=0
8*2^(2x)-6*2^x3^x+3^(2x)=0
8(2/3)^(2x)-6(2/3)^x+1=0
2/3^x=t
8t^2-6t+1=0
D=36-32=4
t12=(6+-2)/16=1/2 1/4
2/3^x=1/2
x=log 2/3 1/2
2/3^x=1/4
x=log2/3 1/4
Verified answer
Решениееееееееееееееееееееееее